package com.lmz.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

    /**
     * 容器中的这些rabbit组件都会自动创建(rabbitMq中不存在的清况下)
     * 创建好之后即使属性发送变化也不会覆盖
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);
        return new Queue(
                "order.delay.queue",
                true,
                false,
                false,
                arguments
        );
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        return new Queue(
                "order.release.order.queue",
                true,
                false,
                false
        );
    }

    //接收秒杀发送的消息
    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue(
                "order.seckill.order.queue",
                true,
                false,
                false
        );
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange(
                "order-event-exchange",
                true,
                false
        );
    }


    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding(
                "order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null
        );
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding(
                "order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null
        );
    }

    //订单释放直接和解锁库存进行绑定
    @Bean
    public Binding OrderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    //接收秒杀发送的消息
    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

}